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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 44-52 V |
| Schaltfrequenz | 300-4000 kHz |
| Ausgang 1 | 34 V / 0.75 A |
| Ausgang 2 | 34 V / 0.75 A |
| Ausgang 3 | 34 V / 0.75 A |
| Ausgang 4 | 34 V / 0.75 A |
Beschreibung
The LT®3966 is an I2C programmable monolithic boost LED driver with four independent channels. Each channelprovides a 60V current mode boost converter with an internal 1.6A DMOS power switch, as well as internal and external analog and PWM dimming features. I2C programmable features include a 13-bit (8192:1) digital PWM generator, 8-bit analog dimming DAC, and flexible fault reporting and handling.
Eigenschaften
- Four Independent DC/DC Channels
- I2C Programmable
- 8192:1 True Color PWM™ Dimming
- 8-Bit Analog Dimming Pin Scaled by DAC
- 11-Channel, 8-Bit ADC with 2 External Inputs
- 1.6A, 60V Internal DMOS Switches
- Input Voltage: 3V to 60V
- Output Voltage and Current Monitoring to 60V
- High Side PMOS Disconnect and PWM Switch Driver
- Adjustable Frequency: 300kHz to 4MHz with Optional Frequency Synchronization
- Thermally Enhanced 6mm × 6mm 40-Lead QFN Package
- AEC-Q100 Qualification in Progress
Typische Anwendungen
- Backlighting
- Heads Up Displays
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Montageart | MusterVerfügbarkeit & Muster | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-LHMI SMT Speicherdrossel, 68 µH, 1.65 A | Verfügbarkeit – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität68 µH | Performance Nennstrom1.65 A | Sättigungsstrom 11.45 A | Sättigungsstrom @ 30%3.8 A | Gleichstromwiderstand445 mΩ | Eigenresonanzfrequenz3.5 MHz | MontageartSMT | –Verfügbarkeit prüfen |
Verfügbarkeitsprognose
WE Artikelnummer VerpackungseinheitenWiederbeschaffungszeit
––– Wochen
| Erwartete Verfügbarkeit | Eingehender Bestand | Menge |
|---|---|---|
| Aktuelle Verfügbarkeit | – | – |
Für diese Mengenanfrage gibt es keine Prognose.
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